1. All testing was conducted in accordance with the European standard IEC 60456, which sets out methods for measuring the performance of clothes washing machines for household use.  Independent third party tests were performed on models WF1124 and WF0804.  Internal tests were conducted on certain other models. 
2. The independent third party testing was carried out with a 4kg load on (a) a 40°C cotton programme and (b) the Super Eco programme at 15°C, both on Samsung washing machines, models WF1124 and WF0804. 
3. The exact energy savings with the Super Eco programme at 15°C will vary slightly depending on the model of Samsung ecobubble™ machine used.